Місумі Уйка

In addition to being the guitarist, Uika is also in charge of composing and writing lyrics for sumimi's songs. She is quite popular due to her cool appearance. She loves stargazing.

Born as Hatsune Misumi, she is the illegitimate child of Sadaharu Togawa and one of the Togawa family housekeepers. She was raised on an island by her biological mother and foster father, alongside her half-sister Uika. Upon arriving in Tokyo, she was scouted and debuted as an idol using her sister's name.